Finding the Fourth Proportional to 2,156,091,941.36, 2,975,415,845.44 and 1,166,017,358.40
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Solution
The fourth proportional to 2,156,091,941.36, 2,975,415,845.44 and 1,166,017,358.40 is: 1,609,108,803.61
Step by Step Solution
- Step 1: Write the proportion equation
2,156,091,941.36 : 2,975,415,845.44 = 1,166,017,358.40 : x - Step 2: Convert to fraction form
2,156,091,941.36/2,975,415,845.44 = 1,166,017,358.40/x - Step 3: Cross multiply
2,156,091,941.36x = 2,975,415,845.44 × 1,166,017,358.40 - Step 4: Simplify right side
2,156,091,941.36x = 3,469,386,524,241,452,032 - Step 5: Solve for x
x = 3,469,386,524,241,452,032/2,156,091,941.36 - Step 6: Final answer
x = 1,609,108,803.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.